Index: Transform.php
===================================================================
RCS file: /repository/pear/Image_Transform/Transform.php,v
retrieving revision 1.15
diff -u -r1.15 Transform.php
--- Transform.php	8 Sep 2002 03:09:48 -0000	1.15
+++ Transform.php	29 Dec 2002 06:01:32 -0000
@@ -239,6 +239,10 @@
      */
     function _get_image_details($image)
     {
+	if (!file_exists($image)) {
+		return PEAR::raiseError("File doesnt exists", true);
+	}
+
     	$data = @GetImageSize($image);
         #1 = GIF, 2 = JPG, 3 = PNG, 4 = SWF, 5 = PSD, 6 = BMP, 7 = TIFF(intel byte order), 8 = TIFF(motorola byte order,
         # 9 = JPC, 10 = JP2, 11 = JPX, 12 = JB2, 13 = SWC
@@ -493,5 +497,21 @@
     {
         return PEAR::raiseError("No gamma method exists", true);
     }
+
+    function grayscale()
+    {
+        return PEAR::raiseError("No grayscale method exists", true);
+    }
+
+    function yellowize()
+    {
+        return PEAR::raiseError("No yellowize method exists", true);
+    }
+
+    function sepia()
+    {
+        return PEAR::raiseError("No sepia method exists", true);
+    }
+
 }
 ?>